Katherine Sigismund

Armed men hijack a New York City subway train, holding the passengers hostage in return for a ransom, and turning an ordinary day's work for dispatcher Walter Garber into a face-off with the mastermind behind the crime.

A vacationing family encounters an alien threat in this thriller based on the real-life Brown Mountain Lights phenomenon in North Carolina.

After being attacked, an introverted young man must follow clues left by his dead parents in order to figure out who is after him - and who he really is.

About a suburban high school teacher who loses his wife and his moorings during a summer break.